<template>
  <view class="bgc">
    <view class="login-container">
      <uni-icons type="contact-filled" size="100" color="#afafaf"></uni-icons>
      <button type="primary" @click="getUserProfile">一键登录</button>
      <text @click="loginWithoutLogin">登录后尽享更多权益</text>
    </view>
  </view>
</template>

<script>
  import {
    mapMutations,
    mapState
  } from 'vuex'
  export default {
    name: "my-login",
    data() {
      return {

      };
    },
    methods: {
      ...mapMutations('m_user', ['updateUserInfo', 'updateToken', 'updateRedirectInfo']),
      // 获取用户信息
      getUserProfile() {
        uni.getUserProfile({
          desc: '登录', // 声明获取用户个人信息后的用途，后续会展示在弹窗中，请谨慎填写
          success: (res) => {
            // 将信息存到 vuex 中
            this.updateUserInfo(res.userInfo)
            // 获取登录成功后的 Token 字符串
            this.getToken(res)
          },
          fail: (res) => {
            return uni.$showMsg('您取消了登录授权')
          }
        })
      },
      async getToken(info) {
        // code获取
        const [err, res] = await uni.login().catch(err => err)
        if (err || res.errMsg !== 'login:ok') return uni.$showMsg('登录失败！')
        // 请求参数
        const query = {
          code: res.code,
          encryptedData: info.encryptedData,
          iv: info.iv,
          rawData: info.rawData,
          signature: info.signature
        }
        const {
          data
        } = await uni.$http.post('/api/public/v1/users/wxlogin', query)
        if (data.meta.status !== 200) return uni.$showMsg('登录失败！')
        this.updateToken(data.message.token)
        this.navigateBack()
        uni.showToast({
          title: '登录成功！',
          icon: 'success'
        })
      },
      // 后门
      loginWithoutLogin() {
        if (this.userinfo.nickName) {
          this.updateToken(
            'Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOjIzLCJpYXQiOjE1NjQ3MzAwNzksImV4cCI6MTAwMTU2NDczMDA3OH0.YPt-XeLnjV-_1ITaXGY2FhxmCe4NvXuRnRB8OMCfnPo'
          )
          this.navigateBack()
          uni.showToast({
            title: '登录成功！',
            icon: 'success'
          })
        }
      },
      // 跳转至预设 
      navigateBack() {
        if (this.redirectInfo && this.redirectInfo.openType === 'switchTab') {
          uni.switchTab({
            url: this.redirectInfo.from,
            // 完成后
            complete: () => {
              this.updateRedirectInfo(null)
            }
          })
        }
      }
    },
    computed: {
      ...mapState('m_user', ['userinfo', 'redirectInfo'])
    }
  }
</script>

<style lang="scss">
  .bgc {
    background-color: white;
    height: 100%;

    .login-container {
      height: 750rpx;
      background-color: #f8f8f8;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      position: relative;

      // 弧线
      &::after {
        content: ' ';
        display: block;
        width: 100%;
        height: 40px;
        position: absolute;
        bottom: 0;
        left: 0;
        border-radius: 100%;
        background-color: white;
        transform: translateY(50%);
      }

      button {
        width: 90%;
        border-radius: 100px;
        margin: 15px 0;
        background-color: #c00000;
      }

      text {
        font-size: 12px;
        color: gray;
      }
    }
  }
</style>
